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<a accesskey="3" href="page.php?w=Subtractor&amp;p=2">3.Next</a>
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<p>In <a href="page.php?w=electronics">electronics</a>, a <b>subtractor</b> is a <a href="page.php?w=digital_circuit">digital circuit</a> that performs subtraction of numbers, and it can be designed using the same approach as that of an <a href="page.php?w=adder_%28electronics%29">adder</a>. The <a href="page.php?w=binary_numeral_system">binary</a> subtraction process is summarized below. As with an adder, in the general case of calculations on multi-bit numbers, three <a href="page.php?w=bit">bit</a>s are involved in performing the subtraction</p><p>
<a accesskey="3" href="page.php?w=Subtractor&amp;p=2">3.Next</a>
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